No. 75-1387. Submitted January 13, 1976. Decided April 20, 1976. Elliott Moore, Deputy Associate Gen. Counsel, N.L.R.B., Washington, D.C., on appendix. John C. Miller, Acting Gen. Counsel, John S. Irving, Deputy Gen. Counsel, Elliott Moore, Deputy Associate Gen. Counsel, Jay E. Shanklin and Howard E. Perlstein, Attys., N.L.R.B., Washington, D.C., for petitioners. Bridges, Young, Matthews Davis, Pine Bluff, Ark., for respondent. Petition from the National Labor Relations Board. Before GIBSON, Chief